Haworthia rigida (Lam.) Haw. [ Aloe rigida (Lam.) DC.]
Salm-Reifferscheidt-Dyck [Salm-Dyck], J.M.F.A.H.I., Monographia generum Aloes et Mesembryanthemi (1849-1863)
Aloes Mesembr.

vol. 1 (1849)
f. 4.3

name cited:
Aloe rigida (Lam.) DC.
name cited (basionym):
Aloe cylindracea var. rigida Lam.
name recognized:
Haworthia rigida (Lam.) Haw.
name recognized (basionym):
Aloe cylindracea var. rigida Lam.
family: Liliaceae
subfamily: Asphodeloideae
epithet: rigidus,-a,-um

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link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=183999
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synonyms:
homotypic synonyms:
Aloe cylindracea rigida Lam.; Aloe rigida (Lam.) DC.;
no HD illustration available (m3)
Haworthia rigida (Lam.) Haw. [ Aloe cylindracea var. rigida Lam.] (Liliaceae) [Aloe rigida (Lam.) DC. ] J.M.F.A.H.I. Salm-Reifferscheidt-Dyck [Salm-Dyck], Aloes Mesembr., vol. 1 (Aloe): , fig. 4.3 (1849)